Open any elementary History textbook by the ‘Medieval Europe’ section and what you will most likely find is a picture of a triangle, a hierarchical …
![](https://brizomagazine.com/wp-content/uploads/2018/10/Captura-de-pantalla-2018-10-28-a-las-10.16.51-260x200.png)
Open any elementary History textbook by the ‘Medieval Europe’ section and what you will most likely find is a picture of a triangle, a hierarchical …